According to recent filings covering the 90 days ending January 10, 2026, the three most significant insider holders at SkyWater Technology are Director Oxbow Partners, Llc Cmi (21.96Mn shares), Director Loren A Unterseher (5.14Mn shares), TenPercentOwner Developments, L.L.C. Ddk (4.48Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Oxbow Partners, Llc Cmi | 21,960,324 | 19 Sep, 2022 | |
| Loren A Unterseher | 5,139,212 | 01 Dec, 2025 | |
| Bart L Zibrowski | 4,483,396 | 03 Aug, 2023 | |
| Developments, L.L.C. Ddk | 4,483,396 | 03 Aug, 2023 | |
| Steven P. Wold | Chief Admin Officer | 639,091 | 22 Apr, 2021 |
| Thomas Sonderman | Ceo | 521,757 | 25 Nov, 2025 |
| Gary J Obermiller | 489,114 | 24 May, 2024 | |
| Thomas R. Lujan | 462,258 | 23 Jan, 2024 | |
| Bradley Ferguson | Chief Govt Affairs Officer | 443,805 | 15 Aug, 2023 |
| Mark Litecky | Chief Revenue Officer | 347,411 | 15 Aug, 2023 |
| Steve Manko | Cfo | 277,122 | 18 Nov, 2025 |
| Khoua Yang | Vp Of Finance | 168,322 | 22 Apr, 2021 |
| John Sakamoto | President And Coo | 128,713 | 17 Oct, 2025 |
| John Spicer | Evp Operations | 68,036 | 17 Mar, 2023 |
| Steve Kosier | Chief Technology Officer | 63,504 | 15 Aug, 2023 |
| Christopher Hilberg | Chief Risk & Compl. Officer | 49,871 | 10 Dec, 2025 |
| Amanda Daniel | Chief People Officer | 43,699 | 15 Aug, 2023 |
| Nancy Fares | 43,501 | 23 May, 2025 | |
| Chunyi (Amy) Leong | 40,923 | 24 May, 2024 | |
| Edward Daly | 34,879 | 23 May, 2025 | |
| John T Kurtzweil | 28,097 | 14 Jun, 2023 | |
| Joseph J Humke | 23,713 | 23 May, 2025 | |
| Dennis J Goetz | 23,713 | 23 May, 2025 | |
| Gregory B Graves | 14,285 | 17 Mar, 2025 | |
| Andrew D.C. Lafrence | 11,428 | 23 May, 2025 | |
| Timothy E Baxter | 11,428 | 23 May, 2025 | |
| Tammy J Miller | 11,428 | 23 May, 2025 | |
| Wendi B. Carpenter | 10,537 | 22 Apr, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 08 Dec, 2025 | Christopher Hilberg | Common Stock | D | 867 | $18.97 | 49,871 | D | F |
| 26 Nov, 2025 | Loren A Unterseher | Common Stock | D | 100,000 | $14.54 | 4,487,394 | D | S |
| 24 Nov, 2025 | Loren A Unterseher | Common Stock | D | 100,000 | $14.53 | 4,587,394 | D | S |
| 24 Nov, 2025 | Loren A Unterseher | Common Stock | D | 100,000 | $14.53 | 6,711,256 | D | S |
| 21 Nov, 2025 | Thomas Sonderman | Common Stock | D | 5,210 | $13.38 | 521,757 | D | S |
| 21 Nov, 2025 | Loren A Unterseher | Common Stock | D | 100,000 | $14.13 | 6,611,256 | D | S |
| 21 Nov, 2025 | Loren A Unterseher | Common Stock | D | 100,000 | $14.13 | 4,687,394 | D | S |
| 18 Nov, 2025 | Loren A Unterseher | Common Stock | D | 9,662 | $16.26 | 4,787,394 | D | S |
| 17 Nov, 2025 | Loren A Unterseher | Common Stock | D | 12,000 | $17.45 | 4,797,056 | D | S |
| 14 Nov, 2025 | Thomas Sonderman | Common Stock | D | 5,207 | $17.00 | 526,967 | D | S |
| 14 Nov, 2025 | Steve Manko | Common Stock | D | 50,000 | $17.40 | 277,122 | D | S |
| 13 Nov, 2025 | Loren A Unterseher | Common Stock | D | 2,200 | $20.55 | 4,809,056 | D | S |
| 16 Oct, 2025 | John Sakamoto | Common Stock | D | 11,028 | $16.59 | 128,713 | D | F |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | A | 457,232 | $0.00 | 687,812 | I | G |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | A | 457,232 | $0.00 | 687,811 | I | G |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | A | 651,818 | $0.00 | 651,818 | I | G |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | D | 2,480,746 | $0.00 | 0 | I | G |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | A | 457,232 | $0.00 | 687,812 | I | G |
| 03 Oct, 2025 | Loren A Unterseher | Common Stock | A | 457,232 | $0.00 | 687,811 | I | G |
| 26 Sep, 2025 | Loren A Unterseher | Common Stock | D | 120,370 | $18.02 | 6,811,256 | D | S |